DA30_安装调试说明书手册

User's GuideModel DA30AC CURRENT DETECTOREXTECHINSTRUMENTSSafety Precautions1.Improper use of this meter can cause damage,shock,injury or death.Read this guide before use.2.Secure any covers or battery doors before use.3.Inspect the condition of the meter for any damage before use.4.Remove the batteries from the meter if the meter is to be stored for long periods.5.For Indoor useInternational Safety Symbols八Refer to the user's guide for information.Hazardous voltages may be presentOperationWARNING:Risk of Electrocution.Before use,always test the Detector on a known live circuit toverify proper operationNOTE:There must be a load on the circuit (current flow)for current detection1.Tumn the On/Off-Sensitivity switch(2)clockwise to turn the unit on.2.Set the Sensitivity adjustment(2)to the high(counterclockwise)position3.If the detector begins to beep/flash(1),slowly reduce the sensitivity(clockwise)until the beep stops.4.Move the detector current sensor(1)near the current carrying conductor until the tip flashes andbeeper sounds.5.Slowly adjust the sensitivity(2)and reduce the distancebetween the sensor and conductor to pinpoint andidentify the conductor.Battery Replacement1.Tum power OFF and release the end cap latch from thepocket clip and slide out the battery compartment (3).2.Replace the four LR44 batteries and replace the battery compartment.SpecificationsCurrent sensitivity200mA(0.2A)ACat0.2Audible/Visible indicationBeeper/Flashing LEDFrequency range50 to 500HzOperating Temperature/Humidity14to122F(-10Cto50°C):<80%RHPower supply(4)LR44 batteries or equivalentWeight/Dimensions1.60z.(45g)/5.7×1.1X1"(145x28x25mm)IEC 1010Category Ill 600VWarrantyEXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects in parts and workmanship for one yearfrom date of shipment (a six month limited warranty applies on sensors and cables).If it should become necessary to return theinstrument for service during or beyond the warranty period,contact the Customer Service Department at (781)890-7440 ext.210for authorization or visit our website at www extech.com (click on 'Contact Extech'and go to 'Service Department'to request anRA number).A Return Authorization(RA)number must be issued before any product is retumed to Extech.The sender isresponsible for shipping charges,freight,insurance and proper packaging to prevent damage in transit.This warranty does notapply to defects resulting from action of the user such as misuse,improper wiring,operation outside of specification,impropermaintenance or repair,or unauthorized modification.Extech specifically disclaims any implied warranties or merchantability orfitness for a specific purpose and will not be liable for any direct,indirect,incidental or consequential damages.Extech's totalliability is limited to repair or replacement of the product.The warranty set forth above is inclusive and no other warranty,whetherwritten or oral,is expressed or implied.Copyright2002 Extech Instruments Corporation.All r